Kinetic Energy: If, instead of the correct formula for kinetic energy, we carelessly use the classical expression for kinetic energy for a particle moving at half the speed of light, by what magnitude percent will our calculation be in error? (c = 3.0 × 108 m/s)
A. 24%
B. 19%
C. 27%
D. 7%
E. 1%
Answer: B
You might also like to view...
State the work-energy theorem
What will be an ideal response?
Rotational Kinetic Energy: A disk, a hoop, and a solid sphere are released at the same time at the top of an inclined plane. They are all uniform and roll without slipping. In what order do they reach the bottom?
A. disk, hoop, sphere B. hoop, sphere, disk C. sphere, disk, hoop D. sphere, hoop, disk E. hoop, disk, sphere
The length and width of a standard sheet of paper is measured, and then the area is found by calculation to be 93.500 in2 . The number of significant figures in the width measurement must be at least:
a. 5 c. 3 b. 4 d. 2
____________________ is a measure of the amount of energy due to the motion of the particles in a gas, liquid, or solid
Fill in the blank(s) with correct word